Click on the third or sixth rank to set the en passant target square.

EGTB: loss in 5 half-moves

# move score
1 a2 loss in 4 half-moves
2 Kd1 loss in 2 half-moves
3 Kd2 loss in 2 half-moves
4 Kd3 loss in 2 half-moves
5 Ke1 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Kf1 loss in 2 half-moves
8 Kf2 loss in 2 half-moves
9 Kf3 loss in 2 half-moves